Question

（2011·桂林十八校第一次月考）28. Obama’s success in presidential election proves that the color of one's skin shouldn't be a ______ to success.

A. barrier                     B. behavior                 C. battle                      D. bunch

Answer 1

A考查名詞詞義辨析。句意：奧巴馬總統競選成功證明膚色不應該成為成功的障礙。此處barrier意為：障礙。